Explanation Of The Reasons Why Bag-making Machines Produce Bags Of Different Lengths

During the bag making process of the plastic bag making machine, the finished plastic bags will be of different lengths, sometimes long and sometimes short. If this is the case, the plastic bags produced are unqualified, but why does this happen and how to solve it? What causes this phenomenon?
Hot-cut bag making machine
The following is a detailed analysis of this situation:
Reason 1: There is a lot of dust on the photoelectric head of the plastic bag making machine. When there is too much dust on the photoelectric controller, it will affect the brightness and intensity of the laser, so that the length of the plastic bag cannot be accurately controlled;
Reason 2: Problems with the photoelectric head equipment of the plastic bag making machine. Because the quality of the bag making machines of some merchants cannot be guaranteed, inferior photoelectric head accessories are used, resulting in substandard sensitivity. The solution is to replace the photoelectric head;
Reason 3: The speed of the plastic bag making machine is too high. This makes it impossible for some supporting accessories to keep up with the rhythm, and the speed should be reduced for testing;
Reason 4: The vertical sealing knife hot cloth roll is too tight. Increased feeding pressure;
Reason 5: The feeding and pressing device of the plastic bag making machine are not synchronized. The feeding is too fast, too slow or too tight, and the pressing device is too loose, which can easily cause the plastic bags to be of different lengths;
Reason 6: The tracking function of the bag making machine is not obvious. The tracking accessories are of poor quality, or have been used for too long, and the actual effect is not obvious, and they cannot play their due functions well;
The above are the main reasons and solutions for the different lengths of plastic bags when the bag making machine makes bags.